Fatal error: Uncaught Error: Interface "Maatwebsite\Excel\Concerns\FromCollection" not found in /home/corporativosalaz/public_html/nuevaexpo/app/Exports/ContactosExport.php:9 Stack trace: #0 {main} thrown in /home/corporativosalaz/public_html/nuevaexpo/app/Exports/ContactosExport.php on line 9